This paper discusses on how Christianity gradually develops in Chinse society in the vision of modern and contemporary Chinese history and East Asian Christianity history. After three failures

Christianity came to China with the support of western powers during colonial expansion time. In the support of unequal treaty

missionary activities became legal which started the interaction between Christianity and Chinese political power and Christianity development in China. There are two reasons for the development of Christianity in Chinese society. From external social environment

consistently changing relationship between government and Protestantism from late Qing Dynasty to the Republic of China has been keeping legal in law. From inner power

Christianity positively or passively takes part into social transformation of modernization according to Chinese social environment

especially Japanese invasion to China

to realize development and spread. This paper also discusses on the similarities and differences between the development of Christianity in China

Japanand Korea. In the end of the paper

the situation of Christianity in modern China is introduced. Christianity is supplement to tradition Chinese religions and Chinese Christianity should be more Chinese which is inevitable.